The Voice of 5G & LTE for the Americas

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The Evolution of 3GPP Communication Services

Voice over LTE (VoLTE) is being rapidly deployed in many parts of the world and is on its way to becoming mainstream in many operator networks. Video over LTE (ViLTE) is a complementary conversational video service specified by GSMA and is also being adopted worldwide, albeit at a slower pace. The expectation is that in a few years, both VoLTE and ViLTE will form the backbone of IP-based telecommunications just as voice was an integral part of 2G and 3G networks. VoLTE enables High Definition (HD) call quality, helping operators compete against over-the-top (OTT) VoIP providers. In addition, VoLTE typically offers lower delay and higher capacity compared to OTT VoIP services, which utilize best-effort bearers that in turn adversely affect service quality.

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